Home / 19,738.08-29,563.92-12,791.52

Finding the Fourth Proportional to 19,738.08, 29,563.92 and 12,791.52

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Solution

The fourth proportional to 19,738.08, 29,563.92 and 12,791.52 is: 19,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.08 : 29,563.92 = 12,791.52 : x
  2. Step 2: Convert to fraction form
    19,738.08/29,563.92 = 12,791.52/x
  3. Step 3: Cross multiply
    19,738.08x = 29,563.92 × 12,791.52
  4. Step 4: Simplify right side
    19,738.08x = 378,167,473.96
  5. Step 5: Solve for x
    x = 378,167,473.96/19,738.08
  6. Step 6: Final answer
    x = 19,159.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.